1-minute Mesoscale Domain Sector GOES-17 (GOES-West) “Red” Visible (0.64 µm), Mid-level Water Vapor (6.9 µm) and Air Mass Red-Green-Blue (RGB) images (above) showed a Storm Force low (surface analyses) developing in the Gulf of Alaska on 26 November 2020. As the storm intensified, trends of warming//drying on the Water Vapor images and brighter orange/red hues on the Air Mass RGB... Read More

An extratropical cyclone deposited a mesoscale snowband — a few counties wide — in south-central Kansas late in the day on 24 November 2020 (Click here to see the storm at 0300 UTC on 25 November). As is often the case, such bands have profound impacts on surface temperatures. It... Read More

US Space Force EWS-G1 Infrared (10.7 µm) images (above) showed Category 1 Cyclone Nivar making landfall along the southeastern coast of India on 25 November 2020.EUMETSAT Meteosat-8 Infrared Window (10.8 µm) images with contours of deep-layer wind shear from the CIMSS Tropical Cyclones site (below) indicated that Nivar was moving through an environment of... Read More

 GOES-17 (GOES-West) Upper-level Water Vapor (6.2 µm) and Air Mass Red-Green-Blue (RGB) images (above) displayed a series of shear vortices migrating southward over the East Pacific Ocean (off the cost of the Pacific Northwest) on 24 November 2020. The ribbon of brighter orange to red hues on the RGB images highlight regions of dry, ozone-rich air where the tropopause... Read More